20001011010999 has 8 divisors (see below), whose sum is σ = 26681435934720. Its totient is φ = 13327296713976.

The previous prime is 20001011010989. The next prime is 20001011011043. The reversal of 20001011010999 is 99901011010002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20001011010999 - 2²⁴ = 20000994233783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001011010989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677649719 + ... + 1677661640.

It is an arithmetic number, because the mean of its divisors is an integer number (3335179491840).

Almost surely, 2^{20001011010999} is an apocalyptic number.

20001011010999 is a deficient number, since it is larger than the sum of its proper divisors (6680424923721).

20001011010999 is a wasteful number, since it uses less digits than its factorization.

20001011010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355313349.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 20001011010999 in words is "twenty trillion, one billion, eleven million, ten thousand, nine hundred ninety-nine".